Lower Monumental Dam Heliport (WN84)

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Lower Monumental Dam Heliport (WN84)
WN84
Lower Monumental Dam Heliport (WN84)
Kahlotus, WA
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Location & QuickFacts
FAA Information Effective 2026-07-09
Airport Identifier WN84
Airport Status Operational
Longitude/Latitude 118°32'45.4200" W / 46°33'42.9400" N
-118.545950 / 46.561928 (Estimated)
Elevation 465.00 ft / 141.73 m (Estimated)
Land 5 acres
Location Franklin County, WA
Magnetic Variation 19E (1985)
Owner & Manager
Ownership Publicly owned
Owner U.S. ARMY CORPS OF ENGINEERS
Address 1215 E AINSWORTH AVE
PASCO, WA 99301
Phone number 509-282-3218
Manager ROBERT WITHAM
Address LOWER MONUMENTAL LOCK AND DAM
5520 DEVILS CANYON ROAD
KAHLOTUS, WA 99335
Phone number 509-282-7253
Airport Operations and Facilities
Airport Use Private
Wind indicator Yes
Segmented Circle Yes
Control Tower NON-ATCT
Landing fee charge No
Sectional chart SEATTLE
Region ANM - Northwest Mountain
Responsible ARTCC ZSE - SEATTLE
Tie-in FSS SEA - SEATTLE
FSS on Airport No
FSS Toll Free 1-800-WX-BRIEF
Runway Information
Runway H1
Dimensions 200 x 200 ft (61 x 61 m)
Surface ASPH
Surface treatment
H1
Physical elevation 465.00 ft ft
Coordinates 46.561928 / -118.545950 0.000000 / 0.000000
Traffic pattern Left Left
Remarks
  • FOR CD CTC CHINOOK APCH AT 509-542-4209, WHEN APCH CLSD CTC SEATTLE ARTCC AT 253-351-3694.